The Repair Hot Overcoat CHROM50 is an unshaped product dedicated to hot repairs for glass furnaces.

Its composition made of max 5mm grains with an innovative solid solution of chromic oxide and alumina provides a unique corrosion resistance to glass and vapors attacks.
It can be cast in a range of temperature from 100°C to 1500°C (212°F-2732°F) either in contact with refractories or metallic forms.
This product is recommended for glass wool, rock wool and even for some applications in container glass markets.


  • Fast tempering: Its specific formulation allows it to withstand very abrupt rises in temperature
  • Easy to cast: Thanks to its free-flowing properties, this product can be used in the most complex repair configurations
  • EHS Friendly: This product doesn't contain any hexavalent form of chromic oxide
To be mixed Pumpable Castable Hot Fast heat up Supervision
to be mixed icon pumpable icon castable icon hot icon fast heat up icon fast heat up icon


hochrom50 scenario

repair hot overcoat chrom50 product scenario

This product fits perfectly to these furnaces

Container Insulation Reinforcement
container furnace insulation furnace icon reinforcement furnace icon


And these areas

Overcoating Tank Overcoat



Technical information


  • Bulk density: 3.05 - 3.20 T/m3
  • Setting type: Heat set
  • Setting time: < 10 min


big bag

24Kg Bag or 600Kg Big Bag
Repair CHROM50 Premix


12.5Kg Bag
Repair Hot Overcoat Binder


20Kg Drum
Repair Hot Overcoat Liquid Binder

Chemical analysis
  ZrO2 SiO2 Al2O3 Fe2O3 Cr2O3
Repair HO CHROM50  5.9% 8.7% 39% 0.5% 44%